: Approximately 1.5 hours for both headset and case Effective Range : Up to 10 metres Weight : 71g (including case) Operating Instructions Pairing Your Device
Never use the automatic "Check for Updates" button. The public OTA server delivers a throttled, feature-limited version of the firmware. As part of this , here is how to sideload the performance firmware.
Note : Most modern devices will not require a password, but if prompted, enter . yyk525 user manual exclusive
| Symptom | Exclusive Fix | | :--- | :--- | | Unit vibrates but doesn't spin | The magnetic coupler has slipped. Open the case and align the white dot with the arrow. | | Screen flickers at level 7+ | This is a known firmware bug. Reduce to level 6, then jump to 8. | | Buttons unresponsive | Not a hardware issue. Place the unit in direct sunlight for 10 minutes (static discharge fix). |
Drop the earbud back down into its dedicated slot inside the charging compartment to initiate a short shutdown cycle. : Approximately 1
: Hold the Switch button for 3 seconds until the blue indicator illuminates.
: If the device can receive software updates, learn how to install them. This might ensure you have the latest features and security patches. Note : Most modern devices will not require
为了方便您快速了解硬件参数，以下是根据全网多个主要零售渠道和制造商产品数据整理的 YYK525 性能规格表（基于融合数据）：
For a full digital copy, you can view the YYK-525 User Manual (PDF) hosted on the FCC website.
Before diving into functionality, review the precise hardware and software parameters governing your YYK525 device: Specification Details V5.1 + EDR (Enhanced Data Rate) Supported Protocols A2DP, AVRCP, HFP, HSP, EDP Wireless Frequency / Band 2.402 GHz – 2.480 GHz Signal Range ≥is greater than or equal to 10 meters (33 feet) without obstacles Speaker Driver & Impedance 8 mm Membrane / 32 Waterproof Rating IPX7 (Sweat-proof, rain-resistant) Headset Battery Capacity 100 mAh Lithium Polymer Charging Case Capacity 500 mAh Lithium Polymer Talk & Playback Time 10 to 12 hours on a single charge Standby Duration Up to 400 hours Charging Interface & Time USB Type-C / ~1.5 hours for full deployment Unboxing and Physical Architecture